in zetasql-toolkit-core/src/main/java/com/google/zetasql/toolkit/ZetaSQLToolkitAnalyzer.java [243:249]
private boolean isComplexScriptStatement(ASTStatement parsedStatement) {
boolean isVariableDeclarationOrSet =
parsedStatement instanceof ASTVariableDeclaration
|| parsedStatement instanceof ASTSingleAssignment;
return this.isScriptStatement(parsedStatement) && !isVariableDeclarationOrSet;
}